{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcb164a4ad5b14fd78177a9e20c8e2b53f7b5c944b45af5e0174c3b291fbe4166",
    "signature": "0x4017f31ae5b6da4e46f94ebed784187df25d7424337042d233572daae68af1b75c195f4c0b040ee6061cf1fc71519eadd73068593313428656ea8ce1c86a9bae1b",
    "signer": "0x17361bCe051FE94616AA8946241bE8AaeDaDfef9",
    "userId": "779187342"
  }
}